Light-emitting device and light-irradiating device

Abstract

To provide a light-emitting device, etc., that can improve cooling performance. [Solution] The light-emitting device 4 comprises a tubular light source 8 that emits light, a reflecting part 9 that reflects the light emitted by the tubular light source 8 in a predetermined direction, a frame part 61 that supports the tubular light source 8 and the reflecting part 9, a mounting part 50 for attaching the tubular light source 8 to the frame part 61, and a blowing part 71 that is positioned in the opposite direction to the predetermined direction to the reflecting part 9 and blows air toward the reflecting part 9. The mounting part 50 comprises a first elastic body 51 and a second elastic body 52 that are fixed to the frame part 61 at a distance from each other while holding both ends of the tubular light source 8, and a third elastic body 53 that is supported by the frame part 61 at a distance from the first elastic body 51 and the second elastic body 52 and holds the reflecting part 9.

Description

Technical Field

[0001] The present invention relates to a light-emitting device and a light irradiation device.

Background Art

[0002] Patent Document 1 discloses a light irradiation type beauty device provided with a fan for cooling a light-emitting device. The light-emitting device is provided with an irradiation unit for irradiating light, and the irradiation unit includes a tubular light source and a fixing member for individually holding both ends of the tubular light source.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] By the way, the tubular light source is cooled by the air blown from the fan, but the fixing member blocks the air passage to the tubular light source, which is one of the factors inhibiting the cooling performance.

[0005] Therefore, an object of the present invention is to provide a light-emitting device and the like that can enhance the cooling performance.

Means for Solving the Problems

[0006] A light-emitting device according to one aspect of the present invention comprises a tubular light source that emits light, a reflecting part that reflects the light emitted from the tubular light source in a predetermined direction, a frame part that supports the tubular light source and the reflecting part, a mounting part for attaching the tubular light source to the frame part, and a blowing part that is positioned in the opposite direction to the predetermined direction relative to the reflecting part and blows air toward the reflecting part, wherein the mounting part comprises a first elastic body and a second elastic body fixed to the frame part at a distance from each other while holding both ends of the tubular light source, and a third elastic body supported by the frame part at a position spaced apart from the first elastic body and the second elastic body, and holding the reflecting part.

[0007] Another aspect of the present invention provides a light irradiation device comprising the above-mentioned light-emitting device and a housing that houses the light-emitting device, wherein one end of the housing houses the light-emitting portion of the light-emitting device, and the other end of the housing is a grip portion that can be grasped by the user. [Effects of the Invention]

[0008] According to the present invention, the light-emitting device, etc., can improve cooling performance. [Brief explanation of the drawing]

[0009] [Figure 1] Figure 1 is a front view showing a light irradiation device according to an embodiment. [Figure 2] Figure 2 is a side view showing a light irradiation device according to an embodiment. [Figure 3] Figure 3 is a perspective view showing the internal structure of a light irradiation device according to an embodiment. [Figure 4] Figure 4 is a perspective view showing the schematic configuration of the light-emitting section of the light-emitting device according to the embodiment. [Figure 5] Figure 5 is an exploded perspective view of the light-emitting unit according to the embodiment. [Figure 6] Figure 6 is a plan view showing the schematic configuration of the light-emitting unit according to the embodiment. [Figure 7]Figure 7 is a cross-sectional view showing the schematic configuration of the light-emitting unit according to the embodiment. [Figure 8] Figure 8 is a perspective view showing the assembled state of the mounting part, tubular light source, and reflector according to the embodiment. [Figure 9] Figure 9 is a perspective view showing the frame portion according to the embodiment. [Figure 10] Figure 10 is a perspective view of the frame portion according to the embodiment, showing the tubular light source, reflector portion, and mounting portion assembled together, as seen from the open side of the reflector portion. [Figure 11] Figure 11 is a perspective view, taken from the bottom side of the reflector, showing the tubular light source, reflector, and mounting part assembled to the frame according to the embodiment. [Figure 12] Figure 12 is a plan view, seen from the bottom side of the reflector, showing the tubular light source, reflector, and mounting part assembled to the frame according to the embodiment. [Modes for carrying out the invention]

[0010] In the following, light-emitting devices and light-irradiating devices, etc., according to embodiments of the present invention will be described in detail with reference to the drawings. Note that the embodiments described below are all specific examples of the present invention. Therefore, the numerical values, shapes, materials, components, arrangement of components, and connection configurations shown in the following embodiments are examples only and are not intended to limit the present invention. Accordingly, components in the following embodiments that are not described in an independent claim will be described as optional components.

[0011] Furthermore, each figure is a schematic diagram and not necessarily a strictly accurate representation. Therefore, for example, the scale may not necessarily match in each figure. Also, in each figure, substantially identical components are given the same reference numerals, and redundant explanations are omitted or simplified.

[0012] In addition, in this specification, terms indicating the relationship between elements, terms indicating the shape of elements, and numerical ranges are not expressions representing only a strict meaning, but are expressions meaning ranges that are substantially equivalent, for example, including differences of about several percent.

[0013] (Embodiment) First, the light irradiation device 1 according to the embodiment will be described. FIG. 1 is a front view showing the light irradiation device 1 according to the embodiment. FIG. 2 is a side view showing the light irradiation device 1 according to the embodiment. FIG. 3 is a perspective view showing the internal structure of the light irradiation device 1 according to the embodiment.

[0014] The light irradiation device 1 is a light irradiation type beauty device that can achieve light beauty such as skin care and hair suppression by irradiating the skin with a flashlight (flash).

[0015] As shown in FIGS. 1 to 3, the light irradiation device 1 includes a main body part 2 and an irradiation cover 3 attached to the main body part 2. The irradiation cover 3 is formed in a frustum of a cone shape and is detachably attached to the tip part of the main body part 2. On the front end surface of the irradiation cover 3, an irradiation port 31 having a rectangular shape in plan view through which light from a light emitting device 4 (described later) passes and is irradiated toward the skin is formed.

[0016] The main body part 2 includes a long housing 21 which is an exterior body, and inside the housing 21, a light emitting device 4 for irradiating light to the skin is accommodated. The light emitting device 4 includes a light emitting part 40, a circuit part 23, and a capacitor 24.

[0017] The light emitting part 40 is disposed at one end of the housing 21. A plurality of ventilation holes 22 connecting the inside and the outside of the housing 21 are provided at one end of the housing 21. Hereinafter, when looking at the light irradiation device 1 as a whole, the side of the ventilation holes 22 may be referred to as the front side, and the opposite side may be referred to as the back side.

[0018] The part of the housing 21 opposite the light-emitting section 40 is the grip section 5, which is held by the user. A cable 10 connected to the commercial power supply is provided at the end of the grip section 5. Hereafter, when looking at the light irradiation device 1 as a whole, the side with the light-emitting section 40 may be referred to as the front, and the side with the grip section 5 as the rear.

[0019] Furthermore, as shown in Figure 3, the grip portion 5 houses a circuit portion 23, a capacitor 24, and the like. The circuit portion 23 comprises a plurality of circuit components 25 for driving the irradiation portion 6 provided in the light-emitting portion 40, and a plurality of circuit boards 26 on which the circuit components 25 are mounted. The plurality of circuit components 25 include a microcontroller, which is a control unit that controls each drive portion of the light irradiation device 1.

[0020] Capacitor 24 is a capacitor that stores power from the commercial power supply via cable 10 as charge to cause the illumination unit 6 to flash. The duty cycle of the power output from capacitor 24 to the illumination unit 6 is controlled by a microcontroller.

[0021] Figure 4 is a perspective view showing the schematic configuration of the light-emitting section 40 provided in the light-emitting device 4 according to the embodiment. Figure 5 is an exploded perspective view of the light-emitting section 40 according to the embodiment. Figure 6 is a plan view showing the schematic configuration of the light-emitting section 40 according to the embodiment. Figure 7 is a cross-sectional view showing the schematic configuration of the light-emitting section 40 according to the embodiment. Specifically, Figure 7 is a cross-sectional view of the cross-section including the VII-VII cutting line in Figure 6.

[0022] As shown in Figures 4 to 7, the light-emitting unit 40 comprises an irradiation unit 6, a cooling unit 7, and a case unit 11, with the irradiation unit 6 and the cooling unit 7 being housed and held by the case unit 11.

[0023] The illumination unit 6 comprises a tubular light source 8, a reflecting unit 9, a frame 41, a filter 42, a light-transmitting unit 43, a mounting unit 50, and a holding unit 60.

[0024] The tubular light source 8 is an example of a tubular light source that emits light. Specifically, the tubular light source 8 is a light source capable of flash emission, such as a xenon lamp. The tubular light source 8 is positioned so that its axial direction intersects the longitudinal direction of the main body 2. The axial direction is perpendicular to both the first direction (front-back) and the second direction (front-rear).

[0025] The reflective section 9 is the part that reflects the light emitted from the tubular light source 8 toward the irradiation opening 31 of the irradiation cover 3. The reflective section 9 is made of a metal such as aluminum. In other words, the reflective section 9 is conductive. The reflective section 9 is a box that houses the tubular light source 8 so that a pair of terminals 81 and 82 of the tubular light source 8 protrude from it. The surface of the reflective section 9 toward the irradiation opening 31 (forward) is open, and light from the tubular light source 8 is emitted toward the irradiation opening 31 from this part. In an axial view of the tubular light source 8, the reflective section 9 has a roughly U-shaped reflective surface 91 that is open toward the irradiation opening 31. The tubular light source 8 is in contact with the bottom of the reflective surface 91 (see Figure 7). The reflective section 9 reflects at least a portion of the light emitted from the tubular light source 8 toward the irradiation opening 31 (forward) by the reflective surface 91, and the reflected light travels toward the irradiation opening 31 (forward). At least a portion of the light that is not reflected by the reflective surface 91 also travels toward the irradiation opening 31 (forward).

[0026] A conductive sheet 92 is attached to the central part of the tubular light source 8 in the axial direction on the outer surface of the reflective section 9. The conductive sheet 92 is a trigger part for causing the tubular light source 8 to emit light. Wiring 93 is connected to the conductive sheet 92, and a trigger voltage is applied from the capacitor 24 under the control of the microcontroller. Since the reflective section 9 is conductive, the tubular light source 8 can be electrically excited by the application of the trigger voltage.

[0027] The frame 41 is a component formed in the shape of a rectangular frame from an elastic material such as rubber. The frame 41 surrounds and holds the filter 42 so that the filter 42 covers the opening of the reflective part 9. The filter 42 is a UV filter that cuts ultraviolet rays from the light emitted from the tubular light source 8.

[0028] The light-transmitting section 43 is a light-transmitting member formed from a glass material such as sapphire glass. The light-transmitting section 43 is formed in a rectangular parallelepiped shape and is positioned to face the tubular light source 8 via the filter 42. Therefore, the light emitted from the tubular light source 8 passes through the filter 42, then through the light-transmitting section 43, and then towards the irradiation port 31. The light-transmitting section 43 is pressed against the filter 42 by the frame 41 and is in contact with it. This suppresses condensation caused by the temperature difference between the light-transmitting section 43 and the filter 42.

[0029] The mounting portion 50 is a part for attaching the tubular light source 8 to the frame portion 61 of the holding portion 60.

[0030] Figure 8 is a perspective view showing the assembled state of the mounting portion 50, the tubular light source 8, and the reflecting portion 9 according to the embodiment. As shown in Figure 8, the mounting portion 50 comprises a first elastic body 51, a second elastic body 52, and a third elastic body 53, which are separate components. The first elastic body 51, the second elastic body 52, and the third elastic body 53 only need to have elasticity and are formed from, for example, a thermosetting elastomer such as silicone rubber or a thermoplastic elastomer.

[0031] The first elastic body 51 is attached to one terminal portion 81 of the tubular light source 8, and the second elastic body 52 is attached to the other terminal portion 82 of the tubular light source 8. For this reason, the first elastic body 51 and the second elastic body 52 are spaced apart in the axial direction of the tubular light source 8.

[0032] Specifically, the first elastic body 51 and the second elastic body 52 are formed in a rectangular parallelepiped shape and have a first through-hole 511 and a second through-hole 521 into which the terminal portions 81 and 82 of the tubular light source 8 are fitted with through them.

[0033] The third elastic body 53 is positioned midway between the first elastic body 51 and the second elastic body 52, and is a member that holds the reflective portion 9. In other words, the third elastic body 53 is positioned at a distance from the first elastic body 51 and the second elastic body 52 in the axial direction of the tubular light source 8.

[0034] The third elastic body 53 comprises a flat plate portion 531 and a pair of hook portions 532 protruding from the flat plate portion 531. The flat plate portion 531 supports the reflective portion 9 by contacting the conductive sheet 92 of the reflective portion 9. The pair of hook portions 532 protrude in an L-shape from the rear surface of the flat plate portion 531. The pair of hook portions 532 are arranged so that their bases face each other. The pair of hook portions 532 are supported by engaging with the frame portion 61 of the holding portion 60.

[0035] As shown in Figures 5 and 7, the holding portion 60 is the part that holds the tubular light source 8, the reflecting portion 9, the frame 41, the filter 42, the light-transmitting portion 43, and the mounting portion 50. The holding portion 60 comprises a frame portion 61 and a cover portion 62.

[0036] Figure 9 is a perspective view showing the frame portion 61 according to the embodiment. Figure 10 is a perspective view of the frame portion 61 according to the embodiment with the tubular light source 8, reflector portion 9, and mounting portion 50 assembled, as seen from the open side of the reflector portion 9. Figure 11 is a perspective view of the frame portion 61 according to the embodiment with the tubular light source 8, reflector portion 9, and mounting portion 50 assembled, as seen from the bottom side of the reflector portion 9. Figure 12 is a plan view of the frame portion 61 according to the embodiment with the tubular light source 8, reflector portion 9, and mounting portion 50 assembled, as seen from the bottom side of the reflector portion 9.

[0037] As shown in Figures 9 to 12, the frame portion 61 comprises a base portion 611, a plurality of column portions 612, 613, 614, 615, and a wall portion 616, which are integrally molded from, for example, resin.

[0038] The base portion 611 is a long, plate-like part in the axial direction of the tubular light source 8. Multiple column portions 612, 613, 614, and 615, and a wall portion 616 protrude from the front surface of the base portion 611. The base portion 611 is provided with a pair of openings 617 and a beam portion 618 that separates the pair of openings 617 in the axial direction. The pair of openings 617 are aligned in the axial direction with the beam portion 618 in between. When viewed as a whole, the pair of openings 617 are formed in a rectangular shape in plan view. The beam portion 618 is the part to which a pair of hook portions 532 of the third elastic body 53 engage.

[0039] Multiple columnar sections 612, 613, 614, and 615 are arranged at each corner of the rectangular shape when viewed as a whole from the pair of openings 617. The first elastic body 51 is fitted and fixed between the two columnar sections 612 and 613 located on one side in the axial direction, and the second elastic body 52 is fitted and fixed between the two columnar sections 614 and 615 located on the other side (see Figures 10, 11, and 12). As a result, the tubular light source 8, which is inserted through the first elastic body 51 and the second elastic body 52, is also supported by the frame section 61.

[0040] Furthermore, one end of the reflective section 9 is fixed by fitting between two columnar sections 612 and 613 located on one side in the axial direction, and the other end of the reflective section 9 is fixed by fitting between two columnar sections 614 and 615 located on the other side. The reflective section 9 is sandwiched in the axial direction by the first elastic body 51 and the second elastic body 52 (see Figures 10, 11, and 12). As a result, the reflective section 9 is supported by the frame section 61. When the reflective section 9 is supported by the frame section 61, the flat plate portion 531 of the third elastic body 53 contacts and compresses the conductive sheet 92 of the reflective section 9. Therefore, the third elastic body 53 holds the reflective section 9 while applying a biasing force toward the tubular light source 8. The biasing force causes the reflective section 9 to press against the tubular light source 8 (see Figure 7). In this way, the biasing force from the third elastic body 53 stably connects the tubular light source 8 to the conductive sheet 92 via the reflective section 9.

[0041] The bottom surface of the reflective portion 9, held by the third elastic body 53, is exposed by the openings 617 of the base portion 611 in the region between the first elastic body 51 and the third elastic body 53, and in the region between the second elastic body 52 and the third elastic body 53 (see Figures 11 and 12).

[0042] As shown in Figures 9 and 10, the wall portion 616 protrudes from the base portion 611 so as to fill the space between the column portions 613 and 615, and extends along the axial direction. On the other hand, there is a notch 619 between the column portions 612 and 614.

[0043] As shown in Figures 4, 5, and 7, the cover portion 62 is assembled to the frame portion 61 and is a member that holds the frame 41, the filter 42, and the light-transmitting portion 43. The cover portion 62 is a roughly rectangular box-shaped body. The cover portion 62 has a rectangular light-emitting opening 621 in plan view that opens the light-emitting surface of the light-transmitting portion 43 and serves as a path for light. Light that has passed through the light-transmitting portion 43 is directed towards the irradiation opening 31 of the irradiation cover 3 via the light-emitting opening 621. A cover opening 622 is formed on the front side of the cover portion 62, exposing the side surface of the light-transmitting portion 43.

[0044] As shown in Figures 5 and 7, the cooling unit 7 comprises an air blower 71 and a heat dissipation unit 72. The air blower 71 is located behind the heat dissipation unit 72 and is an air blower fan that blows air toward the front.

[0045] The heat dissipation section 72 comprises a Peltier element 721, a heat transfer section 722, and a heat dissipation fin 723. In the Peltier element 721, the rear main surface is the heat absorption surface, and the front main surface is the heat dissipation surface. The Peltier element 721 is placed inside the cover opening 622, and its heat absorption surface is in contact with one side of the light-transmitting section 43. However, the Peltier element 721 may be placed away from the light-transmitting section 43 as long as its heat absorption surface can absorb the heat from the light-transmitting section 43. In other words, the Peltier element 721 only needs to be placed in the vicinity of the light-transmitting section 43. If the heat absorption surface of the Peltier element 721 and the light-transmitting section 43 are separated, a thermally conductive grease or thermally conductive sheet may be interposed between them.

[0046] The heat transfer section 722 is formed from a U-shaped, curved solid or hollow metal tube. The middle section of the heat transfer section 722 is connected to the heat dissipation surface of the Peltier element 721, and both ends are connected to the heat dissipation fins 723. In other words, the heat dissipation fins 723 are thermally connected to the Peltier element 721 by the heat transfer section 722.

[0047] The heat dissipation fins 723 are located behind the frame portion 61. The heat dissipation fins 723 consist of multiple metal plates stacked at intervals from each other. The gaps between the multiple metal plates form air passages for the air blown from the air blower portion 71. Each metal plate is connected to both ends of the heat transfer portion 722. The heat dissipated from the heat dissipation surface of the Peltier element 721 is dissipated through the heat transfer portion 722 and then through each metal plate of the heat dissipation fins 723. At this time, each metal plate is cooled by the air blown from the air blower portion 71, thus enhancing heat dissipation.

[0048] As shown in Figures 4 to 7, the case section 11 comprises a first case body 111, a second case body 112, and a third case body 113. When assembled, these house and hold the irradiation unit 6 and the cooling unit 7.

[0049] The first case body 111 is a component that covers the back side of the light-emitting section 40. The tip of the first case body 111 is connected to the cover section 62. This connects the inside of the first case body 111 to the notch 619 in the frame section 61, forming an air passage for the air blower section 71.

[0050] The second case body 112 is a component that covers the front side of the light-emitting section 40. The tip of the second case body 112 is connected to the frame section 61. A through hole 114 is formed in the second case body 112 in the part facing the reflector section 9. This through hole 114 serves as an air passage for the air blown from the air blower section 71. A heat transfer section 722 is positioned on the front side of the second case body 112. As a result, heat from the heat transfer section 722 is dissipated to the outside of the case section 11, thereby improving heat dissipation.

[0051] The third case body 113 is a cylindrical member positioned behind the first case body 111 and the second case body 112, and houses the air blower 71. When the air blower 71 is driven, air is drawn in from the rear opening of the third case body 113 and blown out from the front opening.

[0052] Let's explain the airflow path in detail. As shown in Figure 7, when the air blower 71 is driven, the air generated inside the case 11 passes between the metal plates of the heat dissipation fins 723 (arrow Y1). This cools each metal plate. Of the air that has passed through the heat dissipation fins 723, some of it goes towards the irradiation unit 6 through the through hole 114 of the second case body 112 (arrow Y2). The remaining air that has passed through the heat dissipation fins 723 goes towards the irradiation unit 6 through the opening 617 of the frame 61 (arrow Y3). In this way, the irradiation unit 6 is cooled.

[0053] In Figure 12, a comparative example is shown by a dashed line. In the comparative example, which corresponds to the conventional example, the fixing member 100z that fixes both ends of the tubular light source 8 is formed from a single member. Since the bottom surface of the reflecting part 9 is generally covered by the fixing member 100z, the air passing through the through hole 114 of the second case body 112 (arrow Y2 in Figure 7) is mostly blocked by the fixing member 100z. In contrast, in this embodiment, the first elastic body 51 and the second elastic body 52 that hold the tubular light source 8 are separate members arranged with a gap between them, and the third elastic body 53 that holds the reflecting part 9 is also spaced apart from the first elastic body and the second elastic body 52, so that the gap becomes an air passage for the air. Therefore, it becomes less likely to block the air passing through the through hole 114 of the second case body 112 (arrow Y2 in Figure 7), and the irradiation part 6 can be cooled efficiently.

[0054] As described above, according to the above embodiment, the third elastic body 53 holds the reflective portion 9 at a position between the first elastic body 51 and the second elastic body 52, with a gap between them. This gap can be used as an air passage for the air from the air blower 71. Therefore, the irradiation portion 6 can be cooled efficiently, and the cooling performance of the light-emitting device 4 can be improved.

[0055] Here, with a high voltage of several hundred volts applied to a pair of terminals 81 and 82 of the xenon lamp, which is a tubular light source 8, the control unit activates the light emission switch, generating a voltage of several kilovolts in the trigger coil. The voltage stimulates the inside of the xenon lamp, causing some of the xenon gas inside the lamp to be ionized, and electrons to be emitted from the cathode of the xenon lamp. These emitted electrons collide with xenon gas molecules one after another, causing light to be emitted. The amount of light emitted depends on the capacitance of the capacitor 24.

[0056] Incidentally, xenon lamps usually have a conductive coating on the glass surface to facilitate this light emission phenomenon. However, the presence of a conductive coating causes light loss, reducing the amount of light emitted. To prevent this reduction in light emission, this embodiment uses a xenon lamp without a conductive coating. In the case of such a xenon lamp, because it does not have a conductive coating, the high voltage generated by the trigger coil is less likely to be transmitted into the tube, so it is necessary to bring the xenon lamp into contact with the reflector 9. To improve the reliability of this contact, a third elastic body 53 is provided in this embodiment.

[0057] In particular, this is also suitable for a light-emitting device 4 that is positioned in front of the tubular light source 8 (in a predetermined direction) and has a light-transmitting section 43 that covers the tubular light source 8 and the reflecting section 9. Specifically, if the cooling performance of the light-emitting device 4 is improved, the light-transmitting section 43 will also be less likely to become hot. Since the light-transmitting section 43 may come into contact with the user's skin, if the light-transmitting section 43 does not become hot, the discomfort caused to the user can also be suppressed.

[0058] Since the heat dissipation fins 723, which are thermally connected to the Peltier element 721, are positioned between the air blower 71 and the reflector 9, the air from the air blower 71 can pass through the heat dissipation fins 723 before reaching the reflector 9. Therefore, the heat dissipation fins 723 can be cooled by the air from the air blower 71, and consequently, the Peltier element 721 can also be cooled efficiently.

[0059] Since the reflective section 9 is conductive and can electrically excite the tubular light source 8, a flashlight can be stably emitted from the tubular light source 8.

[0060] The third elastic body 53 is positioned midway between the first elastic body 51 and the second elastic body 52, and presses the reflecting portion 9 toward the tubular light source 8. Therefore, even if there is a gap between the first elastic body 51 and the second elastic body 52, the reflecting portion 9 can be pressed against the tubular light source 8 in a balanced manner.

[0061] (others) Although the light-emitting device and the like according to the present invention have been described above based on the above embodiments, the present invention is not limited to the above embodiments. Other forms that can be obtained by applying various modifications to each embodiment that a person skilled in the art can conceive, and forms that can be realized by arbitrarily combining the components and functions of each embodiment without departing from the spirit of the present invention are also included in the present invention.

[0062] Examples of light-emitting devices, etc., according to the present invention, as described based on the above embodiments, are shown below. However, the light-emitting devices, etc., according to the present invention are not limited to the following examples.

[0063] For example, the light-emitting device according to the first aspect of the present invention is A tubular light source that emits light, A reflecting part that reflects the light emitted from the tubular light source in a predetermined direction, The tubular light source and the frame supporting the reflector, A mounting portion for attaching the tubular light source to the frame portion, The system includes a blower unit positioned in the opposite direction to the predetermined direction relative to the reflective portion, which blows air toward the reflective portion. The aforementioned mounting portion is A first elastic body and a second elastic body are fixed to the frame portion at a distance from each other while holding both ends of the tubular light source, The system comprises a third elastic body supported by the frame portion at a position between the first elastic body and the second elastic body, and holding the reflective portion.

[0064] For example, the light-emitting device according to the second aspect of the present invention is, in addition to the light-emitting device according to the first aspect, The light-transmitting portion is positioned in the predetermined direction relative to the tubular light source and covers the tubular light source and the reflecting portion.

[0065] For example, the light-emitting device according to the third aspect of the present invention is, in the light-emitting device according to the second aspect, A Peltier element is placed near the light-transmitting portion, The device comprises a heat dissipation fin positioned between the air blower and the reflector, while being thermally connected to the Peltier element.

[0066] For example, in the light-emitting device according to the fourth aspect of the present invention, in the light-emitting device according to any one of the first to third aspects, The reflective portion is conductive and can electrically excite the tubular light source.

[0067] For example, in the fifth aspect of the present invention, the light-emitting device according to any one of the first to fourth aspects, The third elastic body is positioned at an intermediate position between the first elastic body and the second elastic body, and presses the reflective portion toward the tubular light source.

[0068] For example, the light irradiation device according to the sixth aspect of the present invention is A light-emitting device according to any one of the first to fifth embodiments, The system comprises a housing for accommodating the light-emitting device, The light-emitting part of the light-emitting device is housed at one end of the housing. The other end of the housing is a grip portion that is held by the user. [Explanation of Symbols]

[0069] 1 Light irradiation device 2 Main body 4. Light-emitting device 5. Grip section 8 Tubular light source 9 Reflector 43 Translucent part 50 Mounting part 51 First elastic body 52 Second elastic body 53 Third elastic body 60 Holding part 61 Frame section 71 Air blower 81, 82 Terminal section 91 Reflective surface 92 Conductive Sheet 721 Peltier element 723 Heat dissipation fins

Claims

1. A tubular light source that emits light, A reflecting part that reflects the light emitted from the tubular light source in a predetermined direction, The tubular light source and the frame supporting the reflector, A mounting portion for attaching the tubular light source to the frame portion, The system includes a blower unit positioned in the opposite direction to the predetermined direction relative to the reflective portion, which blows air toward the reflective portion. The aforementioned mounting portion is A first elastic body and a second elastic body are fixed to the frame portion at a distance from each other while holding both ends of the tubular light source, The system comprises a third elastic body supported by the frame portion at a distance from the first elastic body and the second elastic body, and holding the reflective portion, between the first elastic body and the second elastic body, Light-emitting device.

2. The tubular light source is positioned in the predetermined direction and includes a light-transmitting portion that covers the tubular light source and the reflecting portion, The light-emitting device according to claim 1.

3. A Peltier element is placed near the light-transmitting portion, The system includes a heat dissipation fin positioned between the air blower and the reflector, while being thermally connected to the Peltier element. The light-emitting device according to claim 2.

4. The reflective portion is conductive and capable of electrically exciting the tubular light source. The light-emitting device according to claim 1.

5. The third elastic body is positioned at an intermediate position between the first elastic body and the second elastic body, and presses the reflective portion toward the tubular light source. The light-emitting device according to claim 1.

6. A light-emitting device according to any one of claims 1 to 5, The system comprises a housing for accommodating the light-emitting device, The light-emitting part of the light-emitting device is arranged at one end of the housing. The other end of the housing is a grip portion that is held by the user. Light irradiation device.

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